function MM_preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}

function MM_swapImgRestore() { //v3.0
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}

function MM_findObj(n, d) { //v4.01
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}

function MM_swapImage() { //v3.0
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}
<!--
function MM_reloadPage(init) {  //reloads the window if Nav4 resized
  if (init==true) with (navigator) {if ((appName=="Netscape")&&(parseInt(appVersion)==4)) {
    document.MM_pgW=innerWidth; document.MM_pgH=innerHeight; onresize=MM_reloadPage; }}
  else if (innerWidth!=document.MM_pgW || innerHeight!=document.MM_pgH) location.reload();
}
MM_reloadPage(true);


function MM_showHideLayers() { //v6.0
  var i,p,v,obj,args=MM_showHideLayers.arguments;
  for (i=0; i<(args.length-2); i+=3) if ((obj=MM_findObj(args[i]))!=null) { v=args[i+2];
    if (obj.style) { obj=obj.style; v=(v=='show')?'visible':(v=='hide')?'hidden':v; }
    obj.visibility=v; }
}
//-->
function trains(id,text){document.all[id].innerHTML=' '+text}
function trainpic(id,text){document.all[id].innerHTML='<img src="'+text+'.gif">'}
function high(which2){
theobject=which2;theobject.filters.alpha.opacity=0
highlighting=setInterval("highlightit(theobject)",100)} // ËÙ¶È
function low(which2){
clearInterval(highlighting)
which2.filters.alpha.opacity=100}
function highlightit(cur2){
if (cur2.filters.alpha.opacity<100)
cur2.filters.alpha.opacity+=15
else if(window.highting)
clearInterval(highlighting)}
<!--   
function search_Validate(theForm)       
{   
  if (theForm.keyword.value == "")       
  {       
    alert("ÇëÊäÈë²úÆ·ÐÍºÅ!");       
    theForm.keyword.focus();       
    return (false);       
  }       	
  return (true);       
}       
//-->
<!--
function runChgbgColor(TabID){
var obj=null;
function ChgbgColor(TabID){
var oRows=document.all(TabID).all.tags("TR");
for(var i=0;i<oRows.length;i++)
{
oRows[i].onmouseover=function(){
this.bgColor="#C4F7E9";}
oRows[i].onmouseout=function(){
this.bgColor="#FFFFFF";}
}
}
ChgbgColor(TabID);
}
//-->
<!--
function ShowDiv(thisDiv,thisHeight,thiswidth,thisMouse) 
{
	thisDiv.style.visibility="visible";
	//args=ShowDiv.arguments;
	//alert(args.length)
	if (thisMouse=="OnClick")
	{
		obj=window.event.srcElement;
		objLeft   = obj.offsetLeft;
		objTop    = obj.offsetTop;
		objParent = obj.offsetParent;
		while (objParent.tagName.toUpperCase() != "BODY")
		{
			objLeft  += objParent.offsetLeft;
			objTop   += objParent.offsetTop;
			objParent = objParent.offsetParent;
		}
		thisDiv.style.left=objLeft+thiswidth;
		thisDiv.style.top=objTop+thisHeight;
	}

}

function HiddenDiv(thisDiv)
{
    thisDiv.style.visibility="hidden";
}

function showHeight()
{
obj=window.event.srcElement;
//alert(obj.height)

}
//-->

<!--  
var flag=false;
function DrawImage(ImgD,ImgW,ImgH){
   var image=new Image();
   var ImgW=ImgW;
   var ImgH=ImgH;
   image.src=ImgD.src;
   if(image.width>0 && image.height>0){
    flag=true;
    if(image.width/image.height>= ImgW/ImgH){
     if(image.width>ImgW){ 
     ImgD.height=(image.height*ImgW)/image.width;   
                                                
     ImgD.width=ImgW;
     }else{
     ImgD.width=image.width;  
     ImgD.height=image.height;
     }
  //   ImgD.alt="Photo:"+image.width+"¡Á"+image.height;
     }
    else{
     if(image.height>ImgH){ 
     ImgD.width=(image.width*ImgH)/image.height; 
     ImgD.height=ImgH;     
     }else{
     ImgD.width=image.width;  
     ImgD.height=image.height;
     }
 //    ImgD.alt=""+image.width+"¡Á"+image.height;
     }
    }
} 
//-->


// 验证码

    function draw(show_num) {
        var canvas_width=$('#canvas').width();
        var canvas_height=$('#canvas').height();
        var canvas = document.getElementById("canvas");//获取到canvas的对象，演员
        var context = canvas.getContext("2d");//获取到canvas画图的环境，演员表演的舞台
        canvas.width = canvas_width;
        canvas.height = canvas_height;
        var sCode = "A,B,C,E,F,G,H,J,K,L,M,N,P,Q,R,S,T,W,X,Y,Z,1,2,3,4,5,6,7,8,9,0";
        var aCode = sCode.split(",");
        var aLength = aCode.length;//获取到数组的长度
        
        for (var i = 0; i <= 3; i++) {
            var j = Math.floor(Math.random() * aLength);//获取到随机的索引值
            var deg = Math.random() * 30 * Math.PI / 180;//产生0~30之间的随机弧度
            var txt = aCode[j];//得到随机的一个内容
            show_num[i] = txt.toLowerCase();
            var x = 10 + i * 20;//文字在canvas上的x坐标
            var y = 20 + Math.random() * 8;//文字在canvas上的y坐标
            context.font = "bold 17px arial";

            context.translate(x, y);
            context.rotate(deg);

            context.fillStyle = randomColor();
            context.fillText(txt, 0, 0);

            context.rotate(-deg);
            context.translate(-x, -y);
        }
        for (var i = 0; i <= 5; i++) { //验证码上显示线条
            context.strokeStyle = randomColor();
            context.beginPath();
            context.moveTo(Math.random() * canvas_width, Math.random() * canvas_height);
            context.lineTo(Math.random() * canvas_width, Math.random() * canvas_height);
            context.stroke();
        }
        for (var i = 0; i <= 30; i++) { //验证码上显示小点
            context.strokeStyle = randomColor();
            context.beginPath();
            var x = Math.random() * canvas_width;
            var y = Math.random() * canvas_height;
            context.moveTo(x, y);
            context.lineTo(x + 1, y + 1);
            context.stroke();
        }
    }

    function randomColor() {//得到随机的颜色值
        var r = Math.floor(Math.random() * 256);
        var g = Math.floor(Math.random() * 256);
        var b = Math.floor(Math.random() * 256);
        return "rgb(" + r + "," + g + "," + b + ")";
    }